*{
    margin: 0px;
    padding: 0;
    border: 0;
}
.clearflx::after,.clearflx::before{
    content: "";
    display: table;
}
.clearflx::after{
    clear: both;
}
.clearflx{
    zoom: 1;
}
/* 头部 */
.demo{
    height: 58px;
    background-color: #191d3a;
}
.demo-q{
    width: 1000px;
    height: 58px;
    margin: 0px auto;
}
.demo-q ul {
    display: inline-block;
    list-style: none;
    margin-left: -5px;
}
.demo-q ul  li{
    width: 100px;
    height: 58px;
    background-color: #191d3a;
    border-right: 1px solid #252947;
    float: left;
    text-align: center;
    line-height: 58px;
}
.demo-q ul li:hover{
    background-color: #252947;
}
.demo-q .demo-e {
  
    width: 100px;
    height: 35px;
    margin-right: 21px;
    margin-top: 12px;
    background-color: #38b774;
    float: right;
    border-radius: 5px;
    text-align: center;

}
.demo-q .demo-e a{
    display: block;
    text-decoration: none;
    font:12px/35px '微软雅黑';
    color: white;
    
}
.demo-q ul li:hover .demo-w{
    color: white;
    }
    .demo-q ul  li .demo-w{
        display: block;
        font: 14px/58px '微软雅黑';
        text-decoration: none;
        color: #818496;
    }
    /* 轮播图 */
    .demo1{
        height: 455px;
        background: url('../imgs/banner.jpg') no-repeat;
        position: relative;
    }
     .demo1 ul{
        width: 120px;
        height: 12px;
        position: absolute;
        left: 50%;
        bottom: 20px;
        margin-left: -60px;
        list-style-type: none;
     }
     .demo1 ul li{
        float: left;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: white;
        opacity:0.5;
        margin-left:15px ;
    }
    .demo1 ul li:nth-child(1){
        margin-left:0px;
        opacity: 1;
    }
    /* 产品内容 */
    .demo2{
        width: 1000px;
        height: 700px;
        margin: 0px auto;
    }
    .demo2-r{
        border-bottom: 1px solid lightgray;
        position: relative;
    }
    .demo2-r ul{
        list-style: none;
        margin: 50px 0px 50px;
    }
    .demo2-r ul li{
        float: left;
        margin-left: 40px ;
        text-align: center;
    
    }
    
    .demo2-r ul li:nth-child(1){
        margin-left: 0px;
    }
    .demo2-r ul li img{
        width: 220px;
        height: 130px;
    }
    .demo2-r ul li h3{
        font: 14px  "微软雅黑";
        margin-top:15px ;
    }
    .demo2-r ul li a{
        display: block;
        background: url("../imgs/sanjiaoxing.png") no-repeat 140px 5px;
        text-decoration: none;
        margin-top: 13px;
        color: #38b774;
        margin-bottom: 49px;
        font-size: 12px;
    }
    .demo2-r ol{
        position: absolute;
        width: 120px;
        height: 12px;
        background-color: white;
        list-style-type: none;
        left: 50%;
        margin-left: -60px;
        bottom: -6px;
    }
    .demo2-r ol li{
        float: left;
        width: 12px;
        height: 12px;
        background-color: #b5c0cb;
        border-radius: 50%;
        margin: 0px 7px;
    }
    .demo2-r ol li:nth-child(1){
        background-color: #2fbc71;
        margin-left: 14px;
    }
    .demo3{
        background-color: brown;
        margin-top: 50px;
        height: 310px;
        display: flex;
        
    } 
    .demo3  .demo3-left{
        flex: 1;
        background:url("../imgs/bynewsbg.jpg");
        position: relative;
    }
     .demo3  .demo3-left ul{
        list-style-type: none;
        margin-top: 120px; 
    }
     .demo3  .demo3-left ul li{
        height: 46px;
        line-height: 46px;
        border-bottom: 1px solid #dbe1e7;
        margin: 0px 20px;
    }
    .demo3  .demo3-left ul li span{
        font-size: 12px;
        color: #afbecf;
        margin-right: 18px;
    }
    .demo3  .demo3-left ul li a{
        text-decoration: none;
        overflow: hidden;
        white-space:nowrap;
        font-size: 14px;
        color: #444866;
        text-overflow:ellipsis;
    }
    .demo3   .demo3-left ul li a:hover{
        color: #6fdea3;
    }
    .demo3   .demo3-left .more{
        width: 66px;
        height: 28px;
        border-radius: 6px;
        position: absolute;
        background:url("../imgs/more1.png") no-repeat;
        left: 215px;
        top: 40px;
    }
    .demo3   .demo3-left .more:hover{
        background:url("../imgs/more2.png") no-repeat;
    }
    .demo3   .demo3-left .more a{
        display: block;
        height: 100%;
    }
    .demo3   .demo3-right{
            flex: 1;
            background:url("../imgs/byhrbg3.jpg");
            
            position: relative;
        } 
        .demo3   .demo3-right h3{
            position: absolute;
            width: 119px;
            height: 51px;
            background: url("../imgs/zczp.png") no-repeat;
            top: 40px;
            left: 80px;
        }
    
        .demo3   .demo3-right .more{
            width: 66px;
            height: 28px;
            border-radius: 6px;
            position: absolute;
            background:url("../imgs/more2.png") no-repeat;
            left: 205px;
            top:  44px;
        }
        .demo3  .demo3-right .more:hover{
            background:url("../imgs/more1.png") no-repeat;
        }
        .demo3 .demo3-right .more a{
            display: block;
            height: 100%;
        }
        .demo3  .demo3-right .demo3-t{
            margin-top: 115px;
            margin-left: 20px;
            margin-right: 183px;
        }
        .demo3  .demo3-right .demo3-t h4{
            font-size: 14px;
            color: #ffffff;
        }
        .demo3  .demo3-right .demo3-t ul{
            list-style-type: none;
        }
        .demo3  .demo3-right .demo3-t ul li{
            height: 40px;
            line-height: 40px;
            border-bottom: 1px solid #6fdea3;
        }
        .demo3  .demo3-right .demo3-t ul li a{
            text-decoration: none;
            font-size: 14px;
            color: white;
            display: block;
        }
        .demo4{
   
            height: 90px;
            background-color: #191d3a;
            position: relative;
        }
        .demo4  .demo4-y{
            width: 1000px;
            height: 90px;
            margin: 0px auto;
            position: relative;
        }
        .demo4  .demo4-y  .demo4-u{
            display: inline-block;
            font-size: 0px;   
        }
        .demo4  .demo4-y  .demo4-u a{
            font:10px/90px "微软雅黑";
            text-decoration: none;
            color: #6c6e7e; 
            border-right: 1px solid #252947;
            padding-right: 10px;  
        }
        
        .demo4  .demo4-y  .demo4-u a:nth-child(2){
            padding-left: 10px;
            border-right: none;
        }
        .demo4  .demo4-y  .demo4-u a:hover{
            color: white;
        }
        .demo4  .demo4-y p{
            color: #6c6e7e; 
            font-size: 12px;
            margin-top: 36px;
            float: right;
            margin-right: 100px;
        
        }
        
        .demo4  .demo4-y img{
            width: 36px;
            height: 50px;
            position: absolute;
            right: 60px;
            top: 20px;
        }
        .demo4  .demo4-i{
        width: 68px;
        height: 29px;
        background:url("../imgs/top.png") no-repeat 0px 0px;
        position: fixed;
        right: 20px;
        bottom: 76px;
        text-align: center;
        border-radius: 8px;
        }
        .demo4  .demo4-i a{
            height:29px;
            display: block;
        }
        .demo4  .demo4-i:hover{
            background: url("../imgs/top.png") no-repeat 0px -40px ;
        }